FREQUENCY CONTROL PRODUCTS
TTL & HCMOS PRECISION OSCILLATORS
DFN 14-KB, DFN 4-KB & DFN 4-KH
KEY FEATURES
1 to 70 MHz
± 15 ppm overall stability available
Encapsulated crystal
APPLICATIONS
Sonet/SDH/Avionics/High rel. clocks
0.75±0.1
H±0.1
PIN 1
DFN 14
DFN 4
20.3±0.1
15.24
PIN 1
12.7±0.1
7.62
12.7±0.1
12.7±0.1
7.62
7.62
NC/Enable
GND
Output
Vcc
1
7
8
14
1
4
5
8
6.3
0.45
6.3
6±0.1
Function
DFN 14
DFN 4
0.45
H = 5.10 mm
TYPE
Frequency Range
DFN 14-KB
1 to 70 MHz
5V±5%
≤
25 MHz
> 25 MHz
≤
20 mA
≤
50 mA
DFN 4-KB
1 to 70 MHz
DFN 4-KH
1 to 70 MHz
5V±5%
≤
20 mA
≤
50 mA
HCMOS 50 pF up to
25 MHz, 15 pF above
40/60...60/40 % @ 50%
level
≤
7 ns up to 25 MHz
≤
3 ns > 25 MHz
≥
4.5 V/
≤
0.5 V
≤
10 ms @ 4.75 V
ELECTRICAL SPECIFICATIONS
supply voltage
supply current (no load)
output load
HCMOS 15 pF or 10 TTL
duty cycle
rise/fall times
0.4 to 2.4 V
10 to 90%
40/60...60/40 % @ 50% level or 1.4 V
≤
3.5 ns
≤
5 ns 1 to 70 MHz
≥
4.5 V/
≤
0.5 V
≤
10 ms @ 4.75 V
temperature range
0 to 70°C
-40 to 85°C
-55 to 125°C
stability
≤
± 15
≤
± 25
≤
± 50
high/low levels
start up
FREQUENCY STABILITY
types
all types
remarks
stability [ ppm ] and temperature code
code
stability
code
stability
code
XB15
XB25
XB50
≤
± 25
≤
± 50
XE25
XE50
XE75
≤
± 50
≤
± 75
XH50
XH75
XH100
≤
± 75
≤
± 100
XH codes only available as DFN 14/4-KB type for F
≤
50 MHz
includes calibration at 25°C, temperature, ageing, Vcc and load changes 1
st
year
45/55...55/45 %
high or open = enable, low = high Z (DFN 4-KH up to 50 MHz only)
OPTIONS
tight symmetry (f
≤
50 MHz)
tri-state output on pin 1
CODE
R
Z
ORDERING CODE
Example
type + option code + frequency + temperature code
DFN 4-KBZ 50.000 MHz XB15
TYPE
DFN 14-KB, 4-KB & 4-KH
REVISION
02
CHECKED
NE
DATE
10.10.2002
PAGE
22
0.85±0.1
微控制器 MCU
